81477670

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^2\times {\mathrm{367}}^1$

素因数の和:672

約数の個数: 24

約数和(自身を含む): 148053024

約数和(自身を除く): 66575354

約数列:

[1, 2, 5, 10, 149, 298, 367, 734, 745, 1490, 1835, 3670, 22201, 44402, 54683, 109366, 111005, 222010, 273415, 546830, 8147767, 16295534, 40738835, 81477670]

約数ペア:

[(1, 81477670), (2, 40738835), (5, 16295534), (10, 8147767), (149, 546830), (298, 273415), (367, 222010), (734, 111005), (745, 109366), (1490, 54683), (1835, 44402), (3670, 22201)]